What is the role of sensory organs in the body?

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these